[Boost-commit] svn:boost r77033 - in trunk: boost/asio/detail libs/asio/doc

Subject: [Boost-commit] svn:boost r77033 - in trunk: boost/asio/detail libs/asio/doc
From: chris_at_[hidden]
Date: 2012-02-15 17:16:56

Author: chris_kohlhoff
Date: 2012-02-15 17:16:53 EST (Wed, 15 Feb 2012)
New Revision: 77033
URL: http://svn.boost.org/trac/boost/changeset/77033

Log:
Fixed a bug where the second buffer in an array of two buffers may be ignored
if the first buffer is empty.

Text files modified: 
   trunk/boost/asio/detail/buffer_sequence_adapter.hpp |     6 ++++--                                  
   trunk/libs/asio/doc/history.qbk                     |     2 ++                                      
   2 files changed, 6 insertions(+), 2 deletions(-)

Modified: trunk/boost/asio/detail/buffer_sequence_adapter.hpp
==============================================================================
--- trunk/boost/asio/detail/buffer_sequence_adapter.hpp	(original)
+++ trunk/boost/asio/detail/buffer_sequence_adapter.hpp	2012-02-15 17:16:53 EST (Wed, 15 Feb 2012)
@@ -291,7 +291,8 @@
 
   static Buffer first(const boost::array<Elem, 2>& buffer_sequence)
   {
-    return Buffer(buffer_sequence[0]);
+    return Buffer(boost::asio::buffer_size(buffer_sequence[0]) != 0
+        ? buffer_sequence[0] : buffer_sequence[1]);
   }
 
 private:
@@ -344,7 +345,8 @@
 
   static Buffer first(const std::array<Elem, 2>& buffer_sequence)
   {
-    return Buffer(buffer_sequence[0]);
+    return Buffer(boost::asio::buffer_size(buffer_sequence[0]) != 0
+        ? buffer_sequence[0] : buffer_sequence[1]);
   }
 
 private:

Modified: trunk/libs/asio/doc/history.qbk
==============================================================================
--- trunk/libs/asio/doc/history.qbk	(original)
+++ trunk/libs/asio/doc/history.qbk	2012-02-15 17:16:53 EST (Wed, 15 Feb 2012)
@@ -32,6 +32,8 @@
 * Reverted earlier change to allow some speculative operations to be performed
   without holding the lock, as it introduced a race condition in some
   multithreaded scenarios.
+* Fixed a bug where the second buffer in an array of two buffers may be ignored
+  if the first buffer is empty.
 
 [heading Asio 1.6.1 / Boost 1.48]